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Leno4ka [110]
3 years ago
6

Find the circumference. Use 3.14 for n. r = 3 ft C = [?] ft Crīd

Mathematics
1 answer:
mel-nik [20]3 years ago
7 0

Step-by-step explanation:

the area of circle is πr² and we use this formule on your question that.

use 3,14 from π and multiple by 9 because the "r" is 3 the answer is 9*(3,14)=~ 28,06

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A theater contains 460 seats and the ticket prices for a recent play were $52 for adults and $26 for children. If the total proc
Vlada [557]

Answer:

The answer to your question is There were sold 166 adult tickets and 294

                                                     children tickets.

Step-by-step explanation:

Data

Total number of seats = 460

cost for adults = a = $52

cost for children = c = $26

Total cost = $16276

Process

1.- Write equations to solve this problem

              a + c = 460                    Equation l

         52a + 26c = 16276             Equation ll

2.- Solve the system of equation by substitution.

-Solve equation l for a

             a = 460 - c

-Substitute a in equation ll

         52(460 - c) + 26c = 16276

-Expand

         23920 - 52c + 26c = 16276

-Simplify

                     -26c = 16276 - 23920

                     -26c = -7644

                          c= -7644/-26

                          c = 294

3.- Find a

                        a = 460 - 294

                        a = 166

8 0
3 years ago
Read 2 more answers
Audrey has $120 to spend on a tennis racket and lessons. The racket costs $45 and the lessons cost $15 per hour. Define a variab
vodka [1.7K]
I would do 120 - 45. Now that she has 75 left I would do 75 - 15 * 3 Since 45 Is all that she has left.

If I were you choose a variable I would say h for hours. And h is equal to 3.

In result the whole equation would be 120 - 45 - 15 * h but since h is equal to 3 , We can write it as 120 - 45 - 15 * 3. Leaving Audrey with $30 left.

Correct me if I am wrong :)
7 0
3 years ago
Help me plz asap!!!!!!!!!!
mars1129 [50]

Answer:

125

Step-by-step explanation:

8x-41+9x+17=180

17x-24=180

17x=204

x=12

9(12)+17

125

6 0
3 years ago
( help me please ) ….
gayaneshka [121]

Answer:

The slope is 6/5, ;)))))))

4 0
3 years ago
Write an equation that has an a-value of -2, a b-value of 1, and a c-value of 3.
Olenka [21]

Answer:

23

ewr

Step-by-step explanation:

4 0
3 years ago
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